Sumitomo SC550-2 drive tumbler, the undercarriage parts for crawler crane.
The main fuction is transport driver, transfer motor power to the track of crawler crane
Two pcs per equipment, one for left frame and one for right frame.
Sumitomo SC550-2 Sprocket for Crawler Crane
The detailed infos as following :
The material : 35SiMn
The main process : heat treatment
The N.W is 97KG/PC
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